/ Dictionary / Index M mailcatcher: Meaning and Definition of Find definitions for: mail•catch•er Pronunciation: (māl'kach"ur), [key] — n. Railroads. a device on a mail car that, while the train is moving, picks up mailbags suspended beside the track. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mail carrier mail-cheeked Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language